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  1. #16
    Join Date
    Dec 2009
    Location
    Afton, MN
    Posts
    1,068
    Car
    2006 VW Jetta TDi

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    Quote Originally Posted by sprstu View Post
    I contacted 2Micron and the wait list is pretty long for the pureflow High pressure protection piece, I will be getting the filter piece itself soon as he has some of those to send out now. The filter is just the end piece for the low pressure side but any protection is better than no protection?
    Yeah, the filter is just in line with return flow to the tank.

    The other piece separates the high and low pressure sides of the pump.

  2. #17
    Join Date
    Sep 2008
    Posts
    108
    Car
    05 GTI

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    Sad to say, but this is all to common. VW is providing warranty assistance on a case by case basis.

  3. #18
    Join Date
    Mar 2008
    Location
    N.E. Minneapolis
    Posts
    4,810
    Car
    GSW TDI 6spd, 74 Scout II

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    I may have just had an HPFP failure. Tonight I went out to my used to be perfectly running JSW and it would not start. Cranked and failed. I figured maybe it was just a rough start due to the temp and maybe the GP hadnt fired long enough. Give it another shot and it turns over and starts on the 3rd-ish crank, runs aobut 5 seconds and starts to stumble and fail. 3rd start attempt and it barely turns over, like 3-4 revs and it starts to sound like the battery has no power. Its late, dark and cold so I left it. Ill hike over in the am and stare at it for a while to see what I can see. Im hoping it was a fluke and nothing major but thats just the optimist in me. Im betting a call to westside may be in order.
    Go Green with Diesel.

  4. #19
    Join Date
    Feb 2010
    Location
    Saint Cloud
    Posts
    502
    Car
    Changes more than Scotty

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    Iiiiiiiish. Sorry about your potential loss.

    How many miles on your car so far? We are at 54k, but are selling to be back with a van again...
    2009 Honda Fit Sport Manual, 71k
    1999 Toyota Land Cruiser of WOW, 241k
    No Euro.

  5. #20
    Join Date
    Mar 2008
    Location
    N.E. Minneapolis
    Posts
    4,810
    Car
    GSW TDI 6spd, 74 Scout II

    Default

    92k. It isnt for sure yet, could also be the inter
    cooler icing issue as well. Going to check now
    Go Green with Diesel.

  6. #21
    Join Date
    Dec 2009
    Location
    Afton, MN
    Posts
    1,068
    Car
    2006 VW Jetta TDi

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    I have a few steps you can check to tell if the pump did fail.

    Remove the fuel metering valve, two screws hold it on (the black capped piece on top of the pump). Religiously clean the area first with brake cleaner or something. Take the two screws out (torx), and pull straight up:



    The end of the metering valve looks like this when you remove it (this is a clean metering valve pictured):


    If that screen is coated in fine metal powder/particles, you failed a pump...

    Also look inside the hole, and look there for metal (this pic has no metal in it):


    Also you could pull the fuel filter and check for metal. If you have metal in either of these places, likely pump failure.

    If the pump failed, bring it to the dealer. Heard good stories of dealers replacing pumps, even if it's out of warranty.

  7. #22
    Join Date
    Mar 2008
    Location
    N.E. Minneapolis
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    4,810
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    GSW TDI 6spd, 74 Scout II

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    good news, looks clean.
    Go Green with Diesel.

  8. #23
    Join Date
    Dec 2009
    Location
    Afton, MN
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    1,068
    Car
    2006 VW Jetta TDi

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    That's a good sign.

    Now, why isn't it starting... haha

  9. #24
    Join Date
    Mar 2008
    Location
    Mounds View
    Posts
    972
    Car
    '03 S10 ZR2,'14 Jetta 5M

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    I don't know the CR diesels as well, so maybe this is a stupid question; but do they also have an electronic lift pump in the tank? If so, do we know if that is working?

  10. #25
    Join Date
    Jan 2011
    Location
    Cambridge, MN
    Posts
    329
    Car
    mk4 TDI, TDI Ranger

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    Stu - do you have vcds? You can run an output test on both in-tank pump and your aux pump to rule them out. To rule out the iced intake simply disconnect it at the front of the motor and start.

  11. #26
    Join Date
    Mar 2008
    Location
    N.E. Minneapolis
    Posts
    4,810
    Car
    GSW TDI 6spd, 74 Scout II

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    tiny amount of "silver" on the top of the filter element. No more to be seen in the housing or the metering valve hole.



    I will be doing some Vag Com testing tonight but wont get to it until after 830.... I pulled the lower IC pipe and got about a tablespoon of water to fall out, not a whole lot there, doesnt mean I didnt suck a bunch up before.

    A quick vid with a no start. Birds in the background making noise, not all that is coming from the engine

    Go Green with Diesel.

  12. #27
    Join Date
    Jan 2011
    Location
    Cambridge, MN
    Posts
    329
    Car
    mk4 TDI, TDI Ranger

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    hmm. I don't HEAR that much compression. Is it smoking while cranking? Do you hear the in-tank and aux pump running when you cycle the key or during cranking?

  13. #28
    Join Date
    Dec 2009
    Location
    Afton, MN
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    1,068
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    2006 VW Jetta TDi

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    The metal on the filter isn't a big deal I don't think.

    When the pump fails, it's a LOT of metal:



  14. #29
    Join Date
    Mar 2008
    Location
    N.E. Minneapolis
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    4,810
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    GSW TDI 6spd, 74 Scout II

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    Yeah, all my fears of hpfp failure have passed. I am worried about hydrolock and bent valves at this point. Greengeeker, low compression could mean valve damage or no air entering the engine, yeah? I do not have the tools to perform a compression test
    Go Green with Diesel.

  15. #30
    Join Date
    Jan 2011
    Location
    Cambridge, MN
    Posts
    329
    Car
    mk4 TDI, TDI Ranger

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    No, low compression would mean bent rods. Air enters engine but pistons don't come up high enough to give enough compression to ignite fuel when it is injected. Get it charged up and crank for a while. If you have low compression and it is injecting fuel then you'll smoke yourself out of that parking garage.

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